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Rectangular green circuit board with silver metal heatsink cover, M.2 2280 form factor

SanDisk

SanDisk Optimus GX PRO 850X 4TB M.2 2280-D5-M PCIe 4.0 x4 internal SSD SDSP81400TAH-000E0

SKU CH-9PVW-G501G MPN SDSP81400TAH-000E0

High-capacity 4TB M.2 2280-D5-M NVMe drive with integrated heatsink, PCIe 4.0 x4 interface, up to 7300 MBps read, 6600 MBps write, and 2400 TBW endurance

  • Device TypeInternal Solid State Drive (SSD)
  • Form FactorM.2 2280-D5-M
  • Capacity4TB
  • Memory Components3D NAND TLC
  • InterfacePCI-Express 4.0 x4
  • ProtocolNVMe 1.4

Capacity

  • 1TB
  • 1TB w/ Heatsink
  • 2TB
  • 2TB w/ Heatsink
  • 4TB
  • 4TB w/ Heatsink
  • 8TB
  • 8TB w/ Heatsink

Les versions barrées existent, mais ne sont pas disponibles ici.

  • Up to 7300 MBps sequential read speeds large files
  • Up to 6600 MBps sequential write speeds fast saves
  • 1,200,000 IOPS random read responsive multitasking
  • 1,100,000 IOPS random write quick app loads
  • 2400TB endurance rating long-term reliability

Capacity and interface

This SanDisk Optimus GX PRO 850X is a 4TB internal SSD built on the M.2 2280-D5-M form factor with a PCI-Express 4.0 x4 interface and NVMe 1.4 protocol. It uses 3D NAND TLC memory to deliver sequential reads up to 7300 MBps and writes up to 6600 MBps. The drive suits content creators and power users who need high-capacity, high-speed storage for demanding workloads.

Motherboard slot and clearance

Verify that your motherboard provides an M.2 slot keyed for M modules and wired for PCI-Express 4.0 x4 to reach the rated speeds. The drive measures 80mm long, 24mm wide and 10.31mm tall including its integrated heatsink, so confirm the slot has enough vertical clearance and that no motherboard heatsink or large component will interfere. A 2280-length standoff is required.

Thermals noise and power

The bundled heatsink keeps the controller within the 0°C to 85°C operating range without any moving parts, so the drive runs silently. Idle power draw is 5 mW, while typical active consumption reaches 8.0W during reads and 7.2W during writes. The 2400TB TBW rating and 1,750,000-hour MTBF indicate sustained reliability under heavy daily use.

Points forts

  • Up to 7300 MBps sequential read speeds large files
  • Up to 6600 MBps sequential write speeds fast saves
  • 1,200,000 IOPS random read responsive multitasking
  • 1,100,000 IOPS random write quick app loads
  • 2400TB endurance rating long-term reliability

Caractéristiques

BrandSanDisk
SeriesOptimus GX PRO 850X
ModelSDSP81400TAH-000E0
Device TypeInternal Solid State Drive (SSD)
Form FactorM.2 2280-D5-M
Capacity4TB
Memory Components3D NAND TLC
InterfacePCI-Express 4.0 x4
ProtocolNVMe 1.4
Max Sequential ReadUp to 7300 MBps
Max Sequential WriteUp to 6600 MBps
4KB Random ReadUp to 1,200,000 IOPS
4KB Random WriteUp to 1,100,000 IOPS
Terabytes Written (TBW)2400TB
MTBF1,750,000 hours
HeatSinkwith HeatSink
Power Consumption (Idle)5 mW
Power Consumption (Active)Average Active Power Read: 8.0W
Average Active Power Write: 7.2W
Operating Temperature0°C ~ +85°C
Storage Temperature-40°C ~ +85°C
Max Shock Resistance1,500G @ 0.5 ms half-sine
Max Vibration ResistanceOperating Vibration: 5 gRMS, 10-2000 Hz, 3 axes
Non-operating Vibration: 4.9 gRMS, 7-800 Hz, 3 axes
Height10.31mm
Width24mm
Depth80mm
Weight30.4g
Poids d’expédition0.05 kg
Dimensions du colis127 × 102 × 1 mm

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

Will the M.2 2280-D5-M form factor with its 10.31mm height fit my motherboard slot?

The drive measures 10.31mm high, 24mm wide and 80mm deep; verify your board’s M.2 slot clearance and standoff position before installing.

Does the included heatsink require extra case clearance or airflow?

The integrated heatsink adds to the 10.31mm total height; ensure at least a few millimetres of space above the slot and some airflow for sustained write loads.

What power supply headroom should I budget for this SSD?

Idle draw is 5 mW; active read peaks at 8.0W and active write at 7.2W, so a standard 12V rail with ample margin covers it easily.

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